Appendix 2 Frequency Module (701280) Specifications - YOKOGAWA SL1000 User Manual

Appendix 2 Frequency Module (701280)
The specifications for the Frequency Module (701280) are provided below. This module does not
comply with environmental standard EN50581.
Item
Standard operating conditions
Measurement function
Number of input channels
Data update rate
Output delay time
Input format
Input connector
Maximum input voltage
Maximum rated voltage to earth
Withstand voltage
Allowable transient surge voltage
(instantaneous)
Insulation resistance
Minimum measurement resolution 50 ns
Measured data resolution
Measurement accuracy
IM 720120-51E
Specifications
Specifications
Temperature: 23 ±5°C
Humidity:
After a 30-minute warm-up and after calibration
Frequency, RPMs, RPSs, period, duty cycle, power supply frequency, pulse width, pulse
integration, and velocity
2
25 kHz (40 µs)
Up to 2 computation periods
Isolated unbalanced
Metal BNC connector
Combined with the 700929 (10:1), 702902 (10:1), or 701947 (100:1):
420 V (DC+ACpeak)
Combined with the (701901 + 701954) (1:1) or direct input (cable that does not comply with
the safety standards):
42 V (DC+ACpeak)
Working voltage of safety standard
Combined with the 700929 (10:1), 702902 (10:1), or 701947 (100:1):
300 Vrms (CAT II)
Combined with the (701901 + 701954) (1:1) or direct input (cable that does not comply with
the safety standards):
42 V (DC+ACpeak) (CAT II, 30 Vrms)
1500 Vrms for 1 minute (across each terminal and earth) (60 Hz)
±2100 Vpeak (across each input terminal and earth)
500 VDC, 10 MΩ or more (across each input terminal and earth)
16 bits (24000 LSB/range)
1 • When in frequency, RPM, RPS, or velocity measurement mode
Measurement accuracy is specified according to the measurement range and input
frequency
[Definition of measurement accuracy]
±(0.05% of range + accuracy dependent on the input frequency)
[Accuracy dependent on the input frequency]
When input frequency is 2 kHz or less:
Input frequency of 2 kHz to 10 kHz:
Input frequency of 10 kHz to 20 kHz:
Input frequency of 20 kHz or higher:
• When in power supply frequency mode
When the center frequency is 50/60 Hz:
When the center frequency is 400 Hz:
(Input set to AC100 V or AC200 V with sine wave input)
• When in period measurement mode
Measurement accuracy is specified according to the measurement range and input period
[Definition of measurement accuracy]
±(0.05% of range + accuracy dependent on the input period)
[Accuracy dependent on the input period]
Input period of 500 µs or greater:
Input period of 100 µs to 500 µs:
Input period of 50 µs to 100 µs:
Input period of 50 µs or less:
20 to 80% RH
4
5
6
2
3
6
0.05% of the input frequency + 0.001 Hz
0.1% of the input frequency
0.3% of the input frequency
0.5% of the input frequency
7
±0.03 Hz (0.01 Hz resolution)
±0.3 Hz (0.01 Hz resolution)
0.05% of the input period
0.1% of the input period
0.3% of the input period
0.5% of the input period + 0.1 µs
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